The Windows 11 Insider Preview Build 23516 has been released, with improvements to the screen casting experience, HDR background support, and expanded voice access. The release is part of a bug bash running from August 2nd to 7th, 2023.

Windows 11 Insider Preview Build 23516: A Sneak Peek into the Future
Windows Insiders, brace yourselves for the release of Windows 11 Insider Preview Build 23516. This new build brings exciting features and improvements, all aimed at enhancing your user experience.
What’s New in Build 23516?
Build 23516 introduces several new features, including an improved screen casting experience, HDR background support, and expanded voice access.
Enhanced Screen Casting Experience
Windows 11 is set to revolutionize screen casting. It will now offer suggestions to Cast when you are multitasking, improving its discoverability and simplifying the overall experience.
“We are making improvements that focus on educating people about the Cast feature, improving its discoverability, and simplifying the overall experience in Windows 11.”
HDR Background Support
With Build 23516, you can now set JXR files as your desktop background. If you have an HDR display, the images will render in full HDR, adding another layer of depth to your desktop experience.
“You can now set JXR files to be your desktop background and if you have an HDR display, they will render in full HDR.”
Expanded Voice Access
Voice access has been expanded to work right from the start of your PC. You can now use voice access to log in to your PC and access other areas on the Lock screen.
August 2023 Bug Bash
Starting August 2nd, the bug bash begins and will run through August 7th, 11:59pm PDT. This is a great opportunity for users to test the latest features and provide valuable feedback.
Final Thoughts
Windows 11 Insider Preview Build 23516 promises to enhance the user experience with its new features and improvements. So, get ready to explore the future of Windows, today!
From the Windows Blog